EUNA KIM DO
NPI 1962081463
Internal Medicine in Sunnyvale, CA
About Euna Kim Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EUNA KIM DO (NPI 1962081463) is an individual internal medicine provider in Sunnyvale, California, licensed in California (20A20933) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Jose, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Euna Kim Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Euna Kim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sunnyvale, CA 94086
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
- 2,460 clinicians in this Medicare group
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94086 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Euna Kim's NPI number?
The NPI number for Euna Kim is 1962081463. It was assigned to this individual provider in the NPPES registry on April 3, 2021.
Where is Euna Kim located?
Euna Kim practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 730-4251.
What is Euna Kim's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Euna Kim enrolled in Medicare?
Yes. Euna Kim is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Euna Kim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Euna Kim reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Sunnyvale, CA) and Sutter Bay Medical Foundation (Palo Alto, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Euna Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Euna Kim was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Euna Kim, DO · NPI 1962081463
Internal Medicine physician in Sunnyvale, California. Individual provider, active in the CMS NPPES registry since April 3, 2021.
## Identity
- **NPI:** 1962081463 (Entity type: Individual)
- **Enumerated:** April 3, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A20933 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086-6386
- **Phone:** (408) 730-4251
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Santa Clara (NPI 1336326974, Sunnyvale, CA); Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1962081463) · Data from the CMS NPPES public registry.